Migrainous Visual Accompaniments are not Rare in Late Life:The Framingham Study
Stroke 29:1539-1543, Wijman,C.A.C.,et al, 1998
Risk Factors for Cervical Atherosclerosis in patients with Transient Ischemic Attack or Minor Ischemic Stroke
Stroke 24:970-975, Palomaki,H.,et al, 1993